新能源汽车高效率长寿命低噪音变速箱技术分析

打开文本图片集
摘 要:高速齿轮箱是新能源汽车电驱动系统的关键功能部件,其效率、寿命与噪声直接决定整车的性能与可靠性。文中陈述了新能源汽车变速器的优点及类型,对变速器关键技术进行了分析,对开展高速齿轮变速箱正向设计和关键零部件制造技术等,推进新能源汽车产业战略布局具有重要意义。
关键词:新能源汽车 变速器
Abstract:High-speed gearbox is the key functional component of the electric drive system of new energy vehicles, and its efficiency, life and noise directly determine the performance and reliability of the whole vehicle. This paper states the advantages and types of new energy vehicle transmissions, analyzes the key transmission technologies, and is of great significance for the forward design of high-speed gear gearboxes and the manufacturing technology of key parts, and promotes the strategic layout of the new energy vehicle industry.
Key words:new energy vehicles, transmissions
1 引言
新能源电动汽车的电机由于具有低速,即使转速为零也可以产生很大转矩和转速非常广的0-7000rpm工作范围这两个典型特点,在没有搭载离合器与变速器的情形下,电动汽车仍然可以正常工作,来完成行驶的基本功能。(剩余4003字)